CN219888280U - Leakage-proof shielding sleeve of shielding pump - Google Patents
Leakage-proof shielding sleeve of shielding pump Download PDFInfo
- Publication number
- CN219888280U CN219888280U CN202321304984.3U CN202321304984U CN219888280U CN 219888280 U CN219888280 U CN 219888280U CN 202321304984 U CN202321304984 U CN 202321304984U CN 219888280 U CN219888280 U CN 219888280U
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- connecting seat
- sealing
- shielding
- pump
- leakage
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- 238000007789 sealing Methods 0.000 claims abstract description 67
- 239000007788 liquid Substances 0.000 claims abstract description 19
- 230000002093 peripheral effect Effects 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims description 28
- 230000007774 longterm Effects 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 241000561734 Celosia cristata Species 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 210000001520 comb Anatomy 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a leakage-proof shielding sleeve of a shielding pump, and belongs to the field of shielding pumps. The liquid leakage problem of the existing shielding sleeve at the joint of the two ends of the shielding sleeve under the long-term working strength is solved. This canned motor pump leak protection liquid shield cover, including the pump body and be located the interior shield cover of pump, pump body both ends are provided with preceding connecting seat and back connecting seat respectively, its characterized in that, this shield cover set up between stator module and rotor module to through preceding connecting seat and back connecting seat fixed mounting in the pump body, preceding connecting seat and back connecting seat and shield cover inner peripheral wall between all be provided with the leak protection subassembly that is used for preventing the liquid seepage. The utility model has the advantages of high strength, high sealing and long service life.
Description
Technical Field
The utility model belongs to the field of shielding pumps, and relates to a shielding sleeve, in particular to a leakage-proof shielding sleeve of a shielding pump.
Background
The shielded circulation pump is a sealless pump, the pump and the drive motor are sealed in a pressure vessel filled with pumping medium, the pressure vessel is only statically sealed, and a wire set provides a rotating magnetic field and drives the rotor. The circulation pipe is an important part of the canned motor pump, and the circulation pipe utilizes pumping liquid to lubricate and cool the bearing and plays a very important role in motor cooling.
The shielding sleeve in the shielding circulating pump has the shielding sealing function by adopting the stainless steel sleeve, and the conveying liquid can enter the motor for cooling, so that the problems of leakage of conveying media, environmental pollution, poor running reliability, difficult maintenance and the like caused by the use of mechanical sealing of a common pipeline pump are solved.
However, the material consumption of the connecting part is more, so that the production cost is high, the whole structure is complex, and in the working process of the circulating pump, high pressure generated by the high pressure medium acts on the shielding sleeve for a long time because the sealing cavity is filled with the high pressure medium, so that one surface of the shielding sleeve is pressed and deformed, the compression amount of the sealing ring is reduced, leakage or water pump failure is caused, and the tightness of the connecting part cannot be ensured in the long-term use process.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a leakage-proof shielding sleeve of a shielding pump with high sealing strength.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a canned motor pump leak protection liquid shield cover, includes the pump body and is located the canned motor pump in the pump body, the pump body both ends are provided with preceding connecting seat and back connecting seat respectively, its characterized in that, this canned motor pump is arranged between stator module and rotor module to through preceding connecting seat and back connecting seat fixed mounting in the pump body, preceding connecting seat and back connecting seat all be provided with the leak protection subassembly that is used for preventing the liquid seepage with the interior week wall of canned motor pump between;
the shielding sleeve is positioned at the outer edge part of one end of the front connecting seat, a flange part extends outwards in a radial direction, and an installation step which is matched with the flange part and is abutted against the flange part is arranged on the inner peripheral wall of the pump body;
the end surfaces of the flange part and the end surface of the mounting step are respectively provided with a sawtooth part which is matched with each other, and a sealing gasket for improving the sealing strength is arranged between the mounting step and the flange part;
the leakage-proof assembly comprises a sealing piece for preventing liquid leakage, a plurality of first sealing ring grooves formed in a front connecting seat and a rear connecting seat, and a plurality of second sealing ring grooves formed in inner peripheral walls at two ends of the shielding sleeve and matched with the first sealing ring grooves correspondingly;
the first sealing ring groove and the second corresponding sealing ring groove are matched with each other to form a sealing ring cavity with high sealing strength, and sealing oil is filled in the sealing ring cavity.
In the above-mentioned canned motor pump leak protection liquid shield cover, sealing gasket is the setting of cockscomb structure and laminates mutually with the sawtooth portion on its flange portion terminal surface and the installation step terminal surface, just sealing gasket inner peripheral wall inlay and install on the front connection seat.
In the above-mentioned canned motor pump leak protection liquid shield cover, the shield cover both ends in all set up the installation annular first that supplies the sealing member to inlay the installation on the perisporium, preceding connecting seat and back connecting seat on all set up with its installation annular first matched with and supply the installation annular second of sealing member installation.
In the above-mentioned leakage-proof shielding sleeve for a shielding pump, the first and second mounting ring grooves may be matched to form a sealing cavity in which the sealing element is mounted.
In the anti-leakage shielding sleeve of the shielding pump, the rear connecting seat and the inner peripheral wall of the pump body are matched to form an installation gap for the shielding sleeve to be inserted and installed in, and the shielding sleeve can be effectively assembled quickly through the structural design of the installation gap, so that the connecting strength is better.
Compared with the prior art, this canned motor pump leak protection liquid shielding cover structural design is reasonable, is located and is provided with leak protection subassembly between shield cover and preceding connecting seat and the back connecting seat cooperation junction, and this leak protection subassembly structural design can effectively realize junction seal strength improvement, and multilayer seal structure design can effectively prevent to lead to the liquid leakage because part seal parts damages to flange portion has sawtooth portion and sealing gasket with the installation step faying face, has further improved its seal strength and joint strength, is applicable to high strength operational environment, has prolonged its life greatly.
Drawings
Fig. 1 is a schematic view of a partial sectional structure of a liquid leakage preventing shield case of the present canned motor pump after installation.
Fig. 2 is a schematic view of a partially enlarged structure at a in fig. 1.
Fig. 3 is a partially enlarged schematic view of the structure at B in fig. 1.
In the figure, 1, a pump body; 2. a front connecting seat; 3. a rear connecting seat; 4. a shielding sleeve; 5. a flange portion; 6. mounting steps; 7. a serration part; 8. a sealing gasket; 9. a seal; 10. a seal ring cavity; 11. sealing the cavity; 12. and (3) mounting a gap.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
As shown in fig. 1, 2 and 3, the leakage-proof shielding sleeve 4 of the shielding pump comprises a pump body 1 and a shielding sleeve 4 positioned in the pump body 1, wherein a front connecting seat 2 and a rear connecting seat 3 are respectively arranged at two ends of the pump body 1, the shielding sleeve 4 is arranged between a stator assembly and a rotor assembly and fixedly arranged in the pump body 1 through the front connecting seat 2 and the rear connecting seat 3, and leakage-proof assemblies for preventing liquid leakage are respectively arranged between the front connecting seat 2, the rear connecting seat 3 and the inner peripheral wall of the shielding sleeve 4;
the shielding sleeve 4 is positioned at the outer edge part of one end of the front connecting seat 2, a flange part 5 extends outwards in a radial direction, and an installation step 6 which is matched with the flange part 5 and is abutted against the inner peripheral wall of the pump body 1 is arranged;
the end face of the flange part 5 and the end face of the mounting step 6 are provided with mutually matched saw tooth parts 7, and a sealing gasket 8 for improving sealing strength is arranged between the mounting step 6 and the flange part 5;
the leakage-proof assembly comprises a sealing piece 9 for preventing liquid leakage, a plurality of first sealing ring grooves formed in the front connecting seat 2 and the rear connecting seat 3, and a plurality of second sealing ring grooves formed in the inner peripheral walls of the two ends of the shielding sleeve 4 and matched with the first sealing ring grooves correspondingly;
the first sealing ring groove and the second corresponding sealing ring groove are matched with each other to form a sealing ring cavity 10 with high sealing strength, and the sealing ring cavity 10 is filled with sealing oil.
This structural design is reasonable, is located and is provided with leak protection subassembly between shield cover 4 and preceding connecting seat 2 and the 3 cooperation junctions of back connecting seat, and this leak protection subassembly structural design can effectively realize junction seal strength improvement, and multilayer seal structure design can effectively prevent to lead to the liquid leakage because part seal parts damages to flange portion 5 and installation step 6 fitting surface have sawtooth portion 7 and sealing gasket 8, have further improved its seal strength and joint strength, are applicable to high strength operational environment, have prolonged its life greatly.
Further, in order to improve the connection strength and the sealing strength, the sealing gasket 8 is arranged in a zigzag structure and is attached to the zigzag portion 7 on the end face of the flange portion 5 and the end face of the mounting step 6, and the inner peripheral wall of the sealing gasket 8 is embedded and mounted on the front connecting seat 2.
In further detail, in order to facilitate the installation of the sealing element 9 and improve the sealing strength, the inner peripheral walls of the two ends of the shielding sleeve 4 are provided with first installation ring grooves for the embedding installation of the sealing element 9, the front connecting seat 2 and the rear connecting seat 3 are provided with second installation ring grooves matched with the first installation ring grooves for the installation of the sealing element 9, and the first installation ring grooves and the second installation ring grooves can be matched to form a sealing cavity 11 for the installation of the sealing element 9.
Further, in order to facilitate installation, the rear connecting seat 3 is matched with the inner peripheral wall of the pump body 1 to form an installation gap 12 for the shielding sleeve 4 to be inserted and installed in, and the shielding sleeve 4 can be effectively assembled quickly through the structural design of the installation gap 12, so that the connection strength is better.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although terms such as the pump body 1, the front coupling seat 2, the rear coupling seat 3, the shield case 4, the flange portion 5, the mounting step 6, the serration portion 7, the gasket 8, the seal 9, the seal ring chamber 10, the seal chamber 11, the mounting gap 12 are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (5)
1. The utility model provides a canned motor pump leak protection liquid shield cover (4), includes pump body (1) and is located shield cover (4) in pump body (1), pump body (1) both ends are provided with preceding connecting seat (2) and back connecting seat (3) respectively, its characterized in that, this shield cover (4) set up between stator module and rotor module to through preceding connecting seat (2) and back connecting seat (3) fixed mounting in pump body (1), preceding connecting seat (2) and back connecting seat (3) and shield cover (4) between the inner peripheral wall all be provided with the leak protection subassembly that is used for preventing the liquid seepage;
the shielding sleeve (4) is positioned at the outer edge part of one end of the front connecting seat (2), a flange part (5) extends outwards in a radial direction, and an installation step (6) which is matched with the flange part (5) and is abutted against the inner peripheral wall of the pump body (1) is arranged;
the end faces of the flange part (5) and the end faces of the mounting steps (6) are provided with mutually matched saw tooth parts (7), and a sealing gasket (8) for improving sealing strength is arranged between the mounting steps (6) and the flange part (5);
the leakage-proof assembly comprises a sealing piece (9) for preventing liquid leakage, a plurality of first sealing ring grooves formed in a front connecting seat (2) and a rear connecting seat (3), and a plurality of second sealing ring grooves formed in the inner peripheral walls of the two ends of the shielding sleeve (4) and matched with the first sealing ring grooves correspondingly;
the first sealing ring groove is matched with the second corresponding sealing ring groove to form a sealing ring cavity (10) with high sealing strength, and the sealing ring cavity (10) is filled with sealing oil.
2. The leakage-proof shielding sleeve (4) of the shielding pump according to claim 1, wherein the sealing gasket (8) is arranged in a zigzag structure and is attached to the zigzag part (7) on the end face of the flange part (5) and the end face of the mounting step (6), and the inner peripheral wall of the sealing gasket (8) is embedded and mounted on the front connecting seat (2).
3. The leakage-proof shielding sleeve (4) of the shielding pump according to claim 1, wherein first mounting ring grooves for embedding and mounting the sealing element (9) are formed in inner peripheral walls of two ends of the shielding sleeve (4), and second mounting ring grooves matched with the first mounting ring grooves and used for mounting the sealing element (9) are formed in the front connecting seat (2) and the rear connecting seat (3).
4. A leakage preventing shielding cover (4) for a shielding pump according to claim 3, wherein the first and second mounting ring grooves cooperate to form a sealing cavity (11) for mounting the sealing member (9) therein.
5. The leakage-proof shielding sleeve (4) of the shielding pump according to claim 1, wherein an installation gap (12) for the shielding sleeve (4) to be inserted and installed is formed between the rear connecting seat (3) and the inner peripheral wall of the pump body (1), and the shielding sleeve (4) can be effectively assembled quickly through the structural design of the installation gap (12) and has better connecting strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304984.3U CN219888280U (en) | 2023-05-23 | 2023-05-23 | Leakage-proof shielding sleeve of shielding pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321304984.3U CN219888280U (en) | 2023-05-23 | 2023-05-23 | Leakage-proof shielding sleeve of shielding pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219888280U true CN219888280U (en) | 2023-10-24 |
Family
ID=88400726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321304984.3U Active CN219888280U (en) | 2023-05-23 | 2023-05-23 | Leakage-proof shielding sleeve of shielding pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219888280U (en) |
-
2023
- 2023-05-23 CN CN202321304984.3U patent/CN219888280U/en active Active
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